Selma Lopes Betta Ragazzi

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OBJECTIVES To identify the most common pneumococcal serotypes in children hospitalized with invasive pneumonia, correlate isolated serotypes with those included in conjugate vaccines, and ascertain the sensitivity of the isolated pneumococcal strains to penicillin and other antibiotics. METHODS From January 2003 to October 2008, a retrospective study of(More)
INTRODUCTION Choosing the antimicrobial agent for initial therapy of urinary tract infection (UTI) is usually empirical and should consider the prevalence of uropathogens in different age groups and gender. OBJECTIVE To establish prevalence rates of uropathogens in community-acquired UTI in relation to age and gender. METHODS Cross-sectional study(More)
Sphingomonas paucimobilis is an aerobic Gram-negative bacillus that, although rare in humans, most commonly infects immunocompromised and hospitalized patients. Among the 59 pediatric cases of S. paucimobilis infection reported in the literature, the most common diagnosis involves isolated bacteremia. These cases are related to sporadic or epidemic(More)
Although infectious diseases are the most prevalent cause of fevers of unknown origin (FUO), this diagnosis remains challenging in some pediatric patients. Imaging exams, such as computed tomography (CT) are frequently required during the diagnostic processes. The presence of multiple hypoattenuating scattered images throughout the liver associated with the(More)
Staphylococcus saprophyticus is a rarely reported agent of urinary tract infection (UTI) in the pediatric population. In our retrospective 3-year study, S. saprophyticus comprised 24.5% of 106 isolates of UTIs in female adolescents 12-15 years of age who attended an emergency department. Clinicians should be aware of the high prevalence of this etiology(More)
In an open and prospective study involving outpatient children with complicated urinary tract infections (UTI), we evaluated the therapeutic efficacy of ceftriaxone administered intramuscularly, once-daily--50 to 70 mg/kg, during 8 to 10 days. Initially, the selected patients exhibited at least two of the following clinical criteria: age below 6 months, any(More)
OBJECTIVE to describe the impact of varicella vaccination on varicella-related hospitalization rates in countries that implemented universal vaccination against the disease. DATA SOURCE we identified countries that implemented universal vaccination against varicella at the http://apps.who.int/immunization_monitoring/globalsummary/schedules site of the(More)
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